Started in 2000, coinciding with the 250th anniversary of the death of JS Bach. All concerts are performed by organists of international importance and are held on the Sundays of October in the Cathedral of Mallorca in Palma. Built after the Christian conquest of the island in 1229, at the site of the ancient Muslim mosque, La Seu its style is Gothic Levantine and keeps a valuable organ of 1477 restored in 1993.This historic organ, along with the most representative of Mallorca were declared assets of cultural interest in 2005.